./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:32:26,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:32:26,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:32:26,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:32:26,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:32:26,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:32:26,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:32:26,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:32:26,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:32:26,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:32:26,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:32:26,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:32:26,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:32:26,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:26,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:32:26,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:32:26,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:32:26,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:32:26,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:32:26,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2024-12-06 00:32:26,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:32:26,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:32:26,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:32:26,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:32:26,744 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:32:26,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-12-06 00:32:29,501 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/data/f048dfbfd/d8bf452efa0b4d3e936360d48b9e3965/FLAGcf39410c6 [2024-12-06 00:32:29,683 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:32:29,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-12-06 00:32:29,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/data/f048dfbfd/d8bf452efa0b4d3e936360d48b9e3965/FLAGcf39410c6 [2024-12-06 00:32:29,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/data/f048dfbfd/d8bf452efa0b4d3e936360d48b9e3965 [2024-12-06 00:32:29,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:32:29,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:32:29,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:29,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:32:29,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:32:29,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b8e309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29, skipping insertion in model container [2024-12-06 00:32:29,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:32:29,866 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c[524,537] [2024-12-06 00:32:29,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:29,893 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:32:29,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c[524,537] [2024-12-06 00:32:29,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:29,925 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:32:29,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29 WrapperNode [2024-12-06 00:32:29,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:29,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:29,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:32:29,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:32:29,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,953 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-12-06 00:32:29,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:29,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:32:29,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:32:29,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:32:29,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:32:29,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:32:29,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:32:29,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:32:29,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:29" (1/1) ... [2024-12-06 00:32:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:29,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:32:30,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:32:30,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d382e81-e57a-4eaf-86d1-8440235ba3db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:32:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:32:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:32:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:32:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:32:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:32:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:32:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:32:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:32:30,080 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:32:30,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:32:30,213 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:32:30,214 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:32:30,285 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:32:30,285 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:32:30,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:32:30 BoogieIcfgContainer [2024-12-06 00:32:30,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:32:30,286 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:32:30,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:32:30,293 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:32:30,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:32:30" (1/1) ... [2024-12-06 00:32:30,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:32:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 00:32:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 00:32:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:32:30,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:30,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:32:30,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:32:30,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-12-06 00:32:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:32:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:32:30,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:30,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:30,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:32:30,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:32:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 44 transitions. [2024-12-06 00:32:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-12-06 00:32:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:32:31,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:31,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:31,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 00:32:31,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:32:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 51 transitions. [2024-12-06 00:32:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-06 00:32:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:32:33,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:33,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:32:33,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:32:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 53 transitions. [2024-12-06 00:32:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 00:32:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:32:33,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:33,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:32:33,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:32:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 69 transitions. [2024-12-06 00:32:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2024-12-06 00:32:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:32:46,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:32:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:32:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:46,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:32:46,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:32:59,972 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:33:21,061 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:33:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 82 transitions. [2024-12-06 00:33:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-12-06 00:33:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:33:25,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:25,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:33:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:33:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:25,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:33:25,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:33:36,993 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 85 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:17,860 WARN L286 SmtUtils]: Spent 30.60s on a formula simplification. DAG size of input: 87 DAG size of output: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:39,225 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:34:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:34:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 39 states and 91 transitions. [2024-12-06 00:34:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2024-12-06 00:34:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:34:42,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:34:42,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:34:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:34:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:34:42,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 00:34:42,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 00:35:18,641 WARN L286 SmtUtils]: Spent 13.89s on a formula simplification. DAG size of input: 138 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:40,646 WARN L286 SmtUtils]: Spent 10.93s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:49,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:35:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 41 states and 99 transitions. [2024-12-06 00:35:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 99 transitions. [2024-12-06 00:35:50,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:35:50,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:50,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:35:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:35:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:50,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:35:50,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:40:34,741 WARN L286 SmtUtils]: Spent 4.27m on a formula simplification. DAG size of input: 99 DAG size of output: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:42:57,073 WARN L286 SmtUtils]: Spent 1.99m on a formula simplification that was a NOOP. DAG size: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:42:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 42 states and 108 transitions. [2024-12-06 00:42:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 108 transitions. [2024-12-06 00:42:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:42:59,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:59,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:43:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:00,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:43:00,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.